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Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 7
41.
Most electromagnetic transmission in rectangular wave-guide uses
TE10 mode
TE01 mode
TE20 mode
TE11 mode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Loading of a line means
increasing inductance of line
increasing distributed inductance of line
decreasing distributed inductance of line
decreasing inductance of line
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The frequency of oscillations obtained from a reflex klystron depends mainly on
resonant frequency of cavity
repeller voltage
voltage of focussing electrode
characteristics of cathode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The main advantage of TWT over klystron is
higher bandwidth
higher gain
higher frequency
higher output
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
In a TWT the phase velocity of the axial component of the field on the slow wave structure is kept
equal to velocity of electron
slightly less than velocity of electron
slightly more than velocity of electron
equal to velocity of light in free space
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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